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70816697 = 759171469
BaseRepresentation
bin1000011100010…
…01001110111001
311221020212020122
410032021032321
5121112113242
611005503025
71516634450
oct416111671
9157225218
1070816697
1136a796a6
121b871a75
1311896493
149595b97
15633cad2
hex43893b9

70816697 has 8 divisors (see below), whose sum is σ = 82305600. Its totient is φ = 59670864.

The previous prime is 70816673. The next prime is 70816763. The reversal of 70816697 is 79661807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70816697 - 210 = 70815673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70816397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85322 + ... + 86147.

It is an arithmetic number, because the mean of its divisors is an integer number (10288200).

Almost surely, 270816697 is an apocalyptic number.

It is an amenable number.

70816697 is a deficient number, since it is larger than the sum of its proper divisors (11488903).

70816697 is a wasteful number, since it uses less digits than its factorization.

70816697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171535.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 70816697 is about 8415.2657117883. The cubic root of 70816697 is about 413.7251183913.

The spelling of 70816697 in words is "seventy million, eight hundred sixteen thousand, six hundred ninety-seven".

Divisors: 1 7 59 413 171469 1200283 10116671 70816697